Home / 1,348,407.47-1,860,808.65-736,568.72

Finding the Fourth Proportional to 1,348,407.47, 1,860,808.65 and 736,568.72

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Solution

The fourth proportional to 1,348,407.47, 1,860,808.65 and 736,568.72 is: 1,016,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,407.47 : 1,860,808.65 = 736,568.72 : x
  2. Step 2: Convert to fraction form
    1,348,407.47/1,860,808.65 = 736,568.72/x
  3. Step 3: Cross multiply
    1,348,407.47x = 1,860,808.65 × 736,568.72
  4. Step 4: Simplify right side
    1,348,407.47x = 1,370,613,445,495.43
  5. Step 5: Solve for x
    x = 1,370,613,445,495.43/1,348,407.47
  6. Step 6: Final answer
    x = 1,016,468.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.